Questions

Q:

What is the gram formula mass of K2CO3?

A) 147 B) 138
C) 129 D) 116
 
Answer & Explanation Answer: B) 138

Explanation:

The gram formula mass of a compound is nothing but the molar mass.

The molar mass of K2CO3 (Potassium Carbonate) is given by

Atomic weights of individual elements are

 

K (Potassium) = 39 g

C (Carbon) = 12 g

O (Oxygen) = 16 g

 

Hence, that of K2CO3 = 39(2) + 12 + 16(3)

= 78 + 12 + 48

= 138.

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Filed Under: Chemistry
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Q:

Which type of simple sugar is found primarily in fruit?

A) Sucrose B) Fructose
C) Maltose D) Lactose
 
Answer & Explanation Answer: B) Fructose

Explanation:

The main simple sugar found in fruit is Fructose. Glucose is found naturally occurring in fruits and other plants. But fructose is sweeter than glucose and can give you more energy. That's why a piece of fruit in the morning will give you more energy than a cup of coffee!

 

Fructose is what gives most fruits that sweet flavor and in combination with the acids present in certain fruits can give a pleasantly tangy flavor.

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Filed Under: Biology
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Q:

Which of the following languages is a Slavic Language?

A) Polish B) Flemish
C) Romanian D) Gaelic
 
Answer & Explanation Answer: A) Polish

Explanation:

Slavic languages, also called Slavonic languages, a subfamily of the Indo-European family of languages Eastern European ethnic group, commonly associated with Russia, the Baltic States, and other Eastern European countries. peoples of the lands of today's Eastern Europe and Russia have excited curiosity and beckoned visitors.

Key to these peoples and cultures are the Slavic languages:

1. Russian,

2. Ukrainian,

3. Polish,

4. Czech, and

5. Bosnian/Croatian/Serbian.

 

  • Flemish is the language of many Belgians.
  • Romanians are more Hungarian or Balkans-affiliated than Russian.
  • Gaelic is the language of the Celts (Scotland/Ireland).
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Q:

Explain the concept of Reentrancy?

Answer

It is a useful, memory-saving technique for multiprogrammed timesharing systems. A Reentrant Procedure is one in which multiple users can share a single copy of a program during the same period. Reentrancy has 2 key aspects: The program code cannot modify itself, and the local data for each user process must be stored separately. Thus, the permanent part is the code, and the temporary part is the pointer back to the calling program and local variables used by that program. Each execution instance is called activation. It executes the code in the permanent part, but has its own copy of local variables/parameters. The temporary part associated with each activation is the activation record. Generally, the activation record is kept on the stack.


Note: A reentrant procedure can be interrupted and called by an interrupting program, and still execute correctly on returning to the procedure.

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Q:

MAU-Multiple access unit

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

MAU is Multistation Access Unit

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Subject: Networking
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Q:

What is a zombie?

Answer

When a program forks and the child finishes before the parent, the kernel still keeps some of its information about the child in case the parent might need it – for example, the parent may need to check the child’s exit status. To be able to get this information, the parent calls `wait()’; In the interval between the child terminating and the parent calling `wait()’, the child is said to be a `zombie’ (If you do `ps’, the child will have a `Z’ in its status field to indicate this.)

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Subject: Operating Systems Exam Prep: GATE

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Q:

The first Asian Games were held in

A) Manila B) Tokyo
C) Jakarta D) New Delhi
 
Answer & Explanation Answer: D) New Delhi

Explanation:
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Filed Under: Sports

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Q:

Detroit, USA is famous for which of the following industries?

A) Steel and Iron B) Petrochemical
C) Automobile D) None of the above
 
Answer & Explanation Answer: C) Automobile

Explanation:

detroit_usa_is_famous_for_which_of_the_following_industries1553077783.jpg image

Detroit is the largest and most populous city in the U.S. state of Michigan. It is famous for Automobile Industries and is also known as MOTOR CITY.

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Filed Under: Famous Places
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